Flights Cardiff → Oslo (Gardermoen)
As of September 2026, economy flights from Cardiff to Oslo (Gardermoen) have a typical range GBP 245–1680, median GBP 427. Full range across all 122 offers: GBP 200–3353. We analyzed 122 offers from 5 airlines in a single price check.
Preview snapshot — prices change. Search for live results.
Data collected by LetsFG's multi-source price checks — every airline and the major booking sites checked for this route. How we collect data →
Best offers by airline: Cardiff → Oslo (Gardermoen)
Based on 122 offers · September 2026. Prices and availability change — run a live search to confirm.
Bag & seat fees: Cardiff → Oslo (Gardermoen)
Add-on pricing from the cheapest available offer per airline · September 2026 · GBP
| Airline | Carry-on | Checked bag | Seat selection |
|---|---|---|---|
| Air France | — | — | — |
| KLM | — | — | — |
| Ryanair | Included | — | — |
Fees are estimates from the prices we checked and may not reflect your specific itinerary, booking class, or payment method. Run a live search for exact pricing.
How much do flights from Cardiff to Oslo (Gardermoen) cost?
Based on 122 offers · September 2026
Cardiff to Oslo (Gardermoen) flights ranged from GBP 200 to GBP 3353 across 122 offers analyzed in September 2026. The chart below shows how prices distributed across all 122 offers.
These 122 offers (September 2026) span multiple departure dates and booking windows — your travel dates may fall anywhere in this distribution. Only a live search shows where your specific trip lands.
50% of offers priced between GBP 268 and GBP 564
What hidden fees do Cardiff to Oslo (Gardermoen) flights charge?
Ancillary fees — bags, seat selection, and payment surcharges — can add 10–25% to the base fare on Cardiff to Oslo (Gardermoen) routes. The breakdown below is based on 122 offers analyzed in September 2026.
| Carrier | Avg fee (GBP) | % of base fare |
|---|---|---|
| AF | 42 | 7% |
| KL | 36 | 4% |
| FR | 4 | 1% |
Air France: base ~GBP 385 + fees GBP 42 = ~GBP 427 total. KLM: base ~GBP 488 + fees GBP 36 = ~GBP 524 total.
Air France's GBP 42 ancillary fees narrow the gap with KLM's lower-fee model — the GBP 103 base difference shrinks to GBP 97 after fees. Always compare total cost, not just the advertised base fare.
Estimates based on median total minus average ancillary fee. Actual base fares vary by itinerary.AF charges 10.5x more in ancillary fees than FR on this route. Compare total-cost options when booking.
Run your search to see itemized fees for your itineraryWhich airline is cheapest from Cardiff to Oslo (Gardermoen)?
5 airlines flew Cardiff to Oslo (Gardermoen) in this dataset. Knowing the airline isn't enough — the typical fare range below shows how far prices swing on each one. Median and range include all fees we recorded.
| Airline | Offers | Typical range (GBP) | Median (GBP) | Fees (GBP) |
|---|---|---|---|---|
 9B|FR|KL | 1 | — | 200 | n/a |
 KLM | 15 | 227–268 | 227 | n/a |
 Ryanair | 2 | 283–315 | 299 | 4 (1%) |
 Air France | 38 | 268–575 | 427 | 42 (10%) |
 KLM | 66 | 256–2126 | 524 | 36 (7%) |
Where do the best Cardiff → Oslo (Gardermoen) prices come from?
We checked direct airlines, travel agencies, and meta-search for this route. On this route the lowest median came from meta-search sources, but the cheapest channel shifts by route and date — which is exactly why a live search across all of them wins.
We compare every airline and the major booking sites but never disclose which — that's our edge. Prices are the ones we observed and aren't official data from any platform. Run a live search and we bring you the cheapest, wherever it is.
Key facts: Cardiff to Oslo (Gardermoen) flights
- Full-service carriers on Cardiff–Oslo (Gardermoen) cost 1.2x more than budget airlines (GBP 344 vs GBP 299 median; overall median GBP 427).
- AF charges 10.5x more in ancillary fees than FR — GBP 42 vs GBP 4 avg per booking.
- The same route priced GBP 290 apart depending on where it was booked — the lowest median was GBP 200. We search every airline and the major booking sites at once so you always see that lowest price.
Frequently asked questions
- How much does a flight from Cardiff to Oslo (Gardermoen) cost?
- Based on 122 offers analyzed, Cardiff to Oslo (Gardermoen) flights range from GBP 200 to GBP 3353, with a median price of GBP 427. Search for your specific dates →
- What hidden fees should I expect on Cardiff to Oslo (Gardermoen) flights?
- On average, ancillary fees (bags, seat selection) add GBP 37 to the base fare on Cardiff to Oslo (Gardermoen) flights. See itemized fees for your itinerary →
- Which airline is cheapest on Cardiff to Oslo (Gardermoen) including all fees?
- 9B|FR|KL has the lowest median fare on Cardiff to Oslo (Gardermoen) at GBP 200 (median across 1 offers in our snapshot). Check which airline wins on your dates →
- Which booking site has the cheapest Cardiff–Oslo (Gardermoen) flights?
- It depends on your dates — no single site is always cheapest. We search every airline and the major booking sites at once (travel agencies and meta-search included) and surface whichever is lowest; the best median in this snapshot was GBP 200. Run a live search and we'll find the cheapest for you →
- Why do prices vary so much on Cardiff to Oslo (Gardermoen) routes?
- Cardiff to Oslo (Gardermoen) has 5 airlines competing, creating a price range from GBP 200 to GBP 3353 across 122 offers. Prices on this route change with booking timing, advance purchase, and ancillary add-ons. Find where your trip lands in the distribution →
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